They say no one throws a party like Barcelona does. And everyone's invited to Sónar, which loyalists claim is the hottest dance music festival in Europe. Sónar has been around for 20 years and over ... more

They say no one throws a party like Barcelona does. And everyone's invited to Sónar, which loyalists claim is the hottest dance music festival in Europe. Sónar has been around for 20 years and over the years has veered towards being more mainstream than alternative, but no one's complaining because the quality of the music hasn't dropped a decibel. Every year the festival features top-billing acts, like the Beastie Boys here. less